Have 2 tables for the 2 entities.
Another table with 2 columns to store the many to many relationship with indices on both the columns.
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Miniworld - Student registration to courses.
- Anonymous May 25, 2011Tables:
Student(s_id, s_name, phone_num,..)
Course(c_id, c_name, beg_time, end_time,..)
Registred(c_id, s_id);
one course can have multiple students. and one student will take multiple courses.